Proline 104-827HC 1/2" X 10" Quarter Turn Anti-Siphon Frost Free Sillcock Product Description Since our beginning in 1917 as the Mueller Metals Co. and later Mueller Brass Co., Mueller Industries has built a well-earned reputation for offering the finest-quality plumbing, HVAC, refrigeration, and industrial products in the industry. From the Manufacturer 1/2-Inch X 10-Inch Quarter Master Anti-Siphon Frost Free Sillcock . Features Sillcock valve Easy quarter turn Built in backflow preventer checks siphoning back into the water supply Sillcock drains automatically upon water shut off For use in residential or commercial buildings Quarter turn on or off Neutral putty colored handle blends in with siding or brick Chrome plated solid brass body and tube protects against corrosion Notched flange allows stable installation on siding Solder or threaded water supply connection USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.